I recently ordered a small surface grinder (may regret it, but...), and I was looking around at magnetic chucks. I noticed that "dense" magnetic chucks seem to be cheaper than others. What exactly is a "dense" magnetic chuck.
I recently ordered a small surface grinder (may regret it, but...), and I was looking around at magnetic chucks. I noticed that "dense" magnetic chucks seem to be cheaper than others. What exactly is a "dense" magnetic chuck.
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